Sweet Potato Gratin with Gruyere

Sweet Potato Gratin With Gruyere Recipe

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Lindsey G


I found this recipe last Thanksgiving. Certainly not "traditional" but I am making it one for us. YUMMMMMMM

Last year I had to make a second batch to have with other leftovers.


★★★★★ 1 vote

20 Min
1 Hr 25 Min


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2 c
heavy cream
1 tsp
3 lb
sweet potatoes, peeled
1/2 c
shredded gruyere cheese

How to Make Sweet Potato Gratin with Gruyere


  • 1You'll Need:9-inch x 9-inch baking dish, mandoline (really helpful and saves a ton of time), nonstick cooking spray, large baking sheet


    Preheat oven to 350 degrees.
  • 2Spray baking dish with nonstick spray. Place baking dish on baking sheet.
  • 3Stir together heavy cream and salt in large bowl. Using mandoline, slice yams into bowl, coating slices with cream mixture as you work.
  • 4Layer 1/3 of sweet potatoes in baking dish. Sprinkle with half of cheese. Repeat with another 1/3 of sweet potatoes and remainder of cheese. Top with remaining sweet potatoes. Pour any remaining yam-cream mixture over top.
  • 5Bake uncovered on center rack of oven 30 min. Remove from oven.
  • 6Press fork or spatula, carefully, against top layer to allow liquid to flow over "crust." Replace pan in oven; bake 30 min. Remove pan; press top layer to allow liquid to flow over top. Replace pan in oven; bake 40-45 min or until sweet potatoes are tender. Remove from oven; let rest 15 min.

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About Sweet Potato Gratin with Gruyere

Course/Dish: Potatoes
Dietary Needs: Vegetarian

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